#!/bin/sh
# Installing packages (doing the real dist-upgrade)

# gettext domain
TEXTDOMAIN="lliurex-up"
export TEXTDOMAIN

COMMON_LIBRARY="/usr/share/lliurex-up/common-upgrade-vars.sh"
if [  -r $COMMON_LIBRARY  ] ; then 
	. $COMMON_LIBRARY
fi

#gettext messages
INFO_MESSAGE="$(gettext "Install required packages")"
SERVER_ATENTION_MESSAGE="$(gettext "This seems a LliureX Server, caution. ")"
SERVER_REMOVE_PACKAGES_MESSAGE="$(gettext "Removing some packages")"
SERVER_INSTALL_PACKAGES_MESSAGE="$(gettext "Installed some packages")"
APACHE_CRT_FILE="/etc/lliurex-secrets/certs/apache/apache.crt"
APACHE_CRT_FILE_NCFG="/usr/share/ca-certificates/lliurex-certs/ncfg-certs/apache.crt"
APACHE_CRT_FILE_NCFG_VAR="/var/lib/llxcfg-ncfg-certs/certificates/ncfg-certs/apache.crt"

# Methods

_commonPreUpgradeActions()
{
	# Cache for APT clean
	apt-get clean	
	# Some dirty actions
	if [ -f "$APACHE_CRT_FILE" ] ; then
		 sed "/-----BEGIN RSA PRIVATE KEY-----/,/-----END RSA PRIVATE KEY-----/d" -i "$APACHE_CRT_FILE"
	fi
	if [ -f "$APACHE_CRT_FILE_NCFG" ] ; then
		 sed "/-----BEGIN RSA PRIVATE KEY-----/,/-----END RSA PRIVATE KEY-----/d" -i "$APACHE_CRT_FILE_NCFG"
	fi
	if [ -f "$APACHE_CRT_FILE_NCFG_VAR" ] ; then
		 sed "/-----BEGIN RSA PRIVATE KEY-----/,/-----END RSA PRIVATE KEY-----/d" -i "$APACHE_CRT_FILE_NCFG_VAR"
	fi
}

_cleanhome()
{
    LOCALHOMESFILE=`mktemp`
    LOCALUSERSFILE=`mktemp`
    REMOVEHOMEFILE=`mktemp`
    ls -1 "/home" > $LOCALHOMESFILE
    cat "/etc/passwd" > $LOCALUSERSFILE
    diff $LOCALHOMESFILE $LOCALUSERSFILE | grep "^<" | cut -d" " -f2 > $REMOVEHOMEFILE
    while read line
    do
            if [ $line != "" ]; then
                rm -rf "/home/$line" || true
            fi
    done < $REMOVEHOMEFILE
    rm $LOCALUSERSFILE $LOCALUSERSFILE $REMOVEHOMEFILE
    _cleanhome
}



# Pre Upgrade Actions
_serverPreUpgradeActions()
{
	echo "$SERVER_ATENTION_MESSAGE"
	# Remove some packages.
	echo "$SERVER_REMOVE_PACKAGES_MESSAGE"				
	apt-get purge "$PACKAGES_REMOVED_ON_SERVER" --force-yes -y
        rm -rf /net/home/students/* || true
        rm -rf /net/home/teachers/* || true
        rm -rf /net/home/others/* || true
        rm -rf /net/groups/* || true
        _cleanhome
}

_musicaPreUpgradeActions()
{
	echo "Musica Upgrade"
}

_infantilPreUpgradeActions()
{
	echo "Infantil Upgrade"
}

_desktopPreUpgradeActions()
{
	echo "Desktop Upgrade"
}

_biblioPreUpgradeActions()
{
	echo "Biblioteca Upgrade"
        _cleanhome
}

_clientPreUpgradeActions()
{
 	echo "Client Upgrade"
        _cleanhome
}

_teachersPreUpgradeActions()
{
	echo "Teachers Upgrade"
}

_pimePreUpgradeActions()
{
	echo "Pime Upgrade"
}

# Post Upgrade Actions

_serverPostUpgradeActions()
{
	echo "$SERVER_ATENTION_MESSAGE"
	# Install some packages.
	echo "$SERVER_INSTALL_PACKAGES_MESSAGE"		
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_SERVER"
}

_musicaPostUpgradeActions()
{
	echo "Musica Upgrade"
	# Install some packages
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_MUSIC"
}

_infantilPostUpgradeActions()
{
	echo "Infantil Upgrade"
	# Install some packages
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_INFANTIL"
}

_desktopPostUpgradeActions()
{
	echo "Desktop Upgrade"
	# Install some packages
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_DESKTOP"
}

_biblioPostUpgradeActions()
{
	echo "Biblioteca Upgrade"
	# Install some packages
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_BIBLIOTECA"
}

_clientPostUpgradeActions()
{
	echo "Client"
	# Install some packages
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_CLIENT"
}

_teachersPostUpgradeActions()
{
	echo "Teachers Upgrade"
	# Install some packages
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_TEACHERS"
}

_pimePostUpgradeActions()
{
	echo "Pime Upgrade"
	# Install some packages
	apt-get install -y --force-yes "$PACKAGES_INSTALL_ON_PIME"
}

_info()
{
	echo "$INFO_MESSAGE"
}

_migrate()
{
	_discoverCddVersion
	_commonPreUpgradeActions
		
	if [ $IS_SERVER -eq 0 ] ; then
		#_serverPreUpgradeActions
		echo "PreUpgradeActions"
	fi

	if [ $IS_CLIENT -eq 0 ] ; then
		#_clientPreUpgradeActions
		echo "PreUpgradeActions"
	fi

	apt-get dist-upgrade -y --force-yes
	apt-get -f install
	apt-get dist-upgrade -y --force-yes
	apt-get -f install
	apt-get update 

	if [ $IS_SERVER -eq 0 ] ; then
		_serverPostUpgradeActions	
	fi

	if [ $IS_CLIENT -eq 0 ] ; then
		_clientPostUpgradeActions
	fi
    update-grub
}

_usage()
{
	echo "# Unknown argument"

}

_die()
{
	echo "Error: $1"
	exit 1
}

ACTION="$1"
case "$ACTION" in
	migrate)
		_migrate
	;;
	info)
		_info
	;;
	*)
		_usage
	;;
esac

exit 0